| Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375) |
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| 01/01/2014 | CN103481035A Method for processing and forming sheet-shaped elastic electric brushes of conductive slip ring |
| 01/01/2014 | CN103480789A Pressure-torsion forming method of high-strength aluminium-alloy disc-shaped workpiece |
| 01/01/2014 | CN103480788A Die for forging thrust wheels |
| 01/01/2014 | CN103480787A Hot forging forming die for synchronous gear rings |
| 01/01/2014 | CN103480786A Shaft end bevel gear forging mould |
| 01/01/2014 | CN103480785A Cold sizing die for cam ring positioned by ratchets |
| 01/01/2014 | CN102581577B Method for manufacturing seed crystal chuck |
| 12/26/2013 | US20130340554 Rack bar and rack bar teeth forming die |
| 12/25/2013 | CN203357745U Claw-like mold structure |
| 12/25/2013 | CN203356946U Manufacturing device of petroleum overall heavy weight drill pipe |
| 12/25/2013 | CN203356523U Manufacturing device for flange nut through cold heading |
| 12/25/2013 | CN203356514U Die structure used for secondary station upsetting of straight-slot or cross-slot lug bolt |
| 12/25/2013 | CN203356513U Profiling lower die for preparing 7318E tapered roller |
| 12/25/2013 | CN203356512U Hot die forging production line connecting rod forging blank manufacturing tool |
| 12/25/2013 | CN203356511U Cold forging mechanism for shaft parts of car double-clutch gearbox and automatic system thereof |
| 12/25/2013 | CN203356510U Crankshaft hot-forging die |
| 12/25/2013 | CN203356506U Hexagon ultra-thick nut cold heading device |
| 12/25/2013 | CN203356498U Nail manufacturing machine |
| 12/25/2013 | CN103465027A Method for manufacturing GH4169 alloy aplitic plate blank |
| 12/25/2013 | CN103464671A Die forging tablet gripping device |
| 12/25/2013 | CN103464670A Automatic blower for hot die forging press |
| 12/25/2013 | CN103464669A Automatic dust collector for hot die forging press |
| 12/25/2013 | CN103464668A Eccentric sleeve locking mechanism of hot die forging press |
| 12/25/2013 | CN103464665A Method for forging lead frame raw material for power integrated circuit |
| 12/25/2013 | CN102294425B Forging device and forging method for upper wide anvil and lower narrow anvil |
| 12/19/2013 | US20130333435 Draw Die Set with Rolling Elements on Punch and Draw Die Cavity |
| 12/18/2013 | CN203344333U Numerically-controlled electric screw press driven by arc-shaped motor |
| 12/18/2013 | CN203343352U Long bolt processing device |
| 12/18/2013 | CN203343347U Internal spline cold extrusion punch |
| 12/18/2013 | CN203343346U Moulding mechanism for long bolt processing device |
| 12/18/2013 | CN203343345U Die for integrally machining special-shaped parts in warm forging mode |
| 12/18/2013 | CN103448291A Novel brake disc and adjusting seat mechanism |
| 12/18/2013 | CN103447821A Rod element heading mold with transverse hole |
| 12/18/2013 | CN103447449A Mechanism suitable for off-line quick die change of multistage cold former |
| 12/18/2013 | CN103447448A Novel pneumatic pressure air cushion device |
| 12/18/2013 | CN103447447A Forging machine air cushion structure |
| 12/18/2013 | CN103447446A Rapid clamping device for dies |
| 12/18/2013 | CN103447445A Cold forging finishing punch for inner cavities of finish-forge pieces of outer spherical cages |
| 12/18/2013 | CN103447444A Die seat for prolonging service life of trimming die bore convex-narrow structure |
| 12/18/2013 | CN103447443A Single-tooth track plate semi-open and semi-closed blanking mold and single-tooth track plate forging method |
| 12/18/2013 | CN103447442A Slide block forge piece mold structure |
| 12/18/2013 | CN103447441A Helical gear heading mold |
| 12/18/2013 | CN103447440A Shaft sleeve forging die structure |
| 12/18/2013 | CN103447439A Forging machine tool adjusting sleeve |
| 12/18/2013 | CN103447438A Shock absorption mechanism for forging machine tool |
| 12/18/2013 | CN103447437A Novel forging press bottom rod structure |
| 12/18/2013 | CN103447434A Heavy-duty isothermal forging hydraulic press |
| 12/18/2013 | CN103447431A Method of improving flat die forging forming uniformity |
| 12/11/2013 | EP2672138A1 Gas spring |
| 12/11/2013 | CN203330329U Chuck axial buffering device used in forging of precision forging machine |
| 12/11/2013 | CN203330328U Chuck indexing device of precision forging machine |
| 12/11/2013 | CN203330327U Spoke making machine nipple spherical forming die adjusting structure |
| 12/11/2013 | CN203330326U 齿轮成型装置 Gear shaping device |
| 12/11/2013 | CN203330325U Sheet material forging and stamping die |
| 12/11/2013 | CN203330324U One-step forging forming device for automobile wheel hub |
| 12/11/2013 | CN203330323U Cold heading die for automatic heading machine |
| 12/11/2013 | CN203330322U Die parting device based on flange type forging and optimizing die forging force |
| 12/11/2013 | CN203330321U Novel guide rail type upper support device |
| 12/11/2013 | CN203330319U Hydraulic forging press |
| 12/11/2013 | CN103438144A Transmission mechanism for bimetal composite contact cold heading machine |
| 12/11/2013 | CN103433418A Precision forging device and method for spiral bevel gear |
| 12/11/2013 | CN103433417A Automatic clamp opening mechanism of cold header |
| 12/11/2013 | CN103433416A AZ80A magnesium alloy engine case isothermal forging forming mould and method |
| 12/11/2013 | CN103433415A Mold structure for producing mine truck wheel forge piece |
| 12/11/2013 | CN103433414A Large mine truck wheel forge piece die |
| 12/11/2013 | CN103433413A Horizontal forging and pressing equipment |
| 12/11/2013 | CN103433412A Novel closed type blank discharging technology of thin-wall tendon deep upper opening narrow part |
| 12/04/2013 | CN203316664U Oil press |
| 12/04/2013 | CN203316663U Die forging device |
| 12/04/2013 | CN203316662U Cold extrusion forming die for high-temperature-alloy high-strength skirt type self-locking hexagonal screw cap |
| 12/04/2013 | CN203316661U Pre-sintering rotary swaging integrated machine |
| 12/04/2013 | CN103419002A Temperature cooling precision forming method of big modulus high boss bevel gear |
| 12/04/2013 | CN103418771A Casting and forging method of metal piece, and casting and forging apparatus |
| 12/04/2013 | CN103418737A Stacking device for electrode press |
| 12/04/2013 | CN103418730A Novel forging machine ejection mechanism |
| 12/04/2013 | CN103418729A Multidirectional bearing rack system |
| 12/04/2013 | CN103418728A Upper die moving platform for large forging press |
| 12/04/2013 | CN103418721A Manufacturing method of keys used for row-piece locks and keys manufactured with method |
| 12/04/2013 | CN102357627B Method for machining valve spring retainer by continuous cold heading once near net shape forming |
| 11/27/2013 | CN203304476U Mechanical ejection device of forging machine |
| 11/27/2013 | CN203304475U Cold heading machine |
| 11/27/2013 | CN203304474U Hand-drawing die for forging rear half shaft of motor shaft |
| 11/27/2013 | CN203304473U Precision forging mould for valve needle hanging platform of injection mould |
| 11/27/2013 | CN203304472U Four-station rotatable hot-forging die |
| 11/27/2013 | CN203304471U Closed type forging die for upper support plate of cylindrical surface steel support |
| 11/27/2013 | CN203304470U Die for forging inner and outer rings of bearing |
| 11/27/2013 | CN203304469U Deep-hole spindle nose precision forging die |
| 11/27/2013 | CN203304464U Pull-down-type hydraulic device of no-flash die |
| 11/27/2013 | CN203304327U Hot-forging piece automatic temperature measuring device on mechanical arm |
| 11/27/2013 | CN103415360A Punch for cold backward extrusion forging |
| 11/27/2013 | CN103406484A Series-parallel forging manipulator |
| 11/27/2013 | CN103406483A Knife anvil, cutting tool and method for hydraulic forging press |
| 11/27/2013 | CN103406482A Isothermal forging forming die and method for 7075 aluminum alloy tapered casing |
| 11/27/2013 | CN103406481A Passenger vehicle steering knuckle precise forging die for hammer forging |
| 11/27/2013 | CN103406480A Die used for producing land leveller gear ring forged pieces |
| 11/27/2013 | CN103406479A Die used for producing excavator rotary supporting seat ring forged pieces |
| 11/20/2013 | EP1847342B1 Method and device for gas protection of production facilities for hot forming |
| 11/20/2013 | CN203297876U Rotating base structure of servo drive forging press |
| 11/20/2013 | CN203292414U Cold heading double-click swinging head |
| 11/20/2013 | CN203292413U Oil press swiveling device |